Of the abstraction. The values for getRadius() or getCircumference() in the above mentioned case in point may be saved specifically, or they may be calculated, it won't issue towards the caller; the setters could or won't have Unwanted side effects; it would not make a difference into the caller. Even https://atsgroupprojectsinnoida.blogspot.com/2025/06/transforming-workspaces-into-landmarks.html